| Point Forecast: Grand Rapids MI 42.96N 85.67W (Elev. 620 ft) |
Last Update: 1:03 am EDT Jul 16, 2025 |
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| Date | 07/16 | 07/17 | ||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 76 | 75 | 75 | 74 | 73 | 73 | 72 | 74 | 77 | 82 | 83 | 83 | 85 | 86 | 87 | 88 | 88 | 88 | 87 | 87 | 85 | 81 | 79 | 77 |
| Dewpoint (°F) | 64 | 64 | 64 | 65 | 67 | 68 | 69 | 71 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 72 | 71 | 70 | 70 | 71 | 72 | 73 | 74 | 73 |
| Heat Index (°F) | 76 | 75 | 75 | 77 | 86 | 88 | 90 | 92 | 93 | 94 | 95 | 94 | 93 | 92 | 93 | 91 | 86 | 79 | 77 | |||||
| Surface Wind (mph) | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 |
| Wind Dir | SE | SSE | SSE | S | S | S | S | S | SSW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SSW | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 34 | 48 | 48 | 40 | 40 | 44 | 49 | 42 | 44 | 49 | 57 | 59 | 57 | 59 | 54 | 43 | 32 | 28 | 22 | 17 | 24 | 50 | 64 | 68 |
| Precipitation Potential (%) | 3 | 10 | 10 | 10 | 13 | 13 | 12 | 42 | 42 | 42 | 42 | 42 | 42 | 22 | 22 | 22 | 22 | 22 | 22 | 48 | 48 | 48 | 48 | 48 |
| Relative Humidity (%) | 66 | 68 | 68 | 74 | 82 | 85 | 89 | 90 | 84 | 73 | 73 | 71 | 67 | 65 | 63 | 59 | 57 | 55 | 57 | 59 | 65 | 77 | 85 | 88 |
| Rain | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | SChc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | Chc | Chc | Chc | SChc | SChc |
| Date | 07/18 | |||||||||||||||||||||||
| Hour (EDT) | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 |
| Temperature (°F) | 75 | 74 | 73 | 73 | 72 | 71 | 70 | 70 | 70 | 70 | 71 | 73 | 74 | 76 | 77 | 77 | 77 | 77 | 76 | 74 | 72 | 69 | 66 | 64 |
| Dewpoint (°F) | 72 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 65 | 64 | 63 | 62 | 60 | 59 | 58 | 58 | 57 | 56 |
| Heat Index (°F) | 75 | 76 | 77 | 77 | 77 | 77 | 76 | |||||||||||||||||
| Surface Wind (mph) | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | SW | SW | WSW | W | W | W | W | W | WNW | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | N | N | N | NNE | NNE | NE |
| Gust | 18 | 20 | 20 | 20 | 20 | 20 | 18 | |||||||||||||||||
| Sky Cover (%) | 70 | 72 | 76 | 81 | 85 | 85 | 86 | 86 | 86 | 86 | 86 | 80 | 75 | 69 | 62 | 56 | 49 | 47 | 44 | 42 | 41 | 40 | 39 | 36 |
| Precipitation Potential (%) | 48 | 55 | 55 | 55 | 55 | 55 | 55 | 28 | 28 | 28 | 28 | 28 | 28 | 11 | 11 | 11 | 11 | 11 | 11 | 8 | 8 | 8 | 8 | 8 |
| Relative Humidity (%) | 90 | 93 | 93 | 93 | 93 | 97 | 97 | 97 | 93 | 93 | 87 | 81 | 76 | 71 | 67 | 64 | 62 | 60 | 58 | 59 | 61 | 68 | 73 | 75 |
| Rain | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
